Who is he dating right now?
According to our records, Mark McGwire is possibly single. His last relationship was when Stephanie Slemer married Mark McGwire on 20th Dec 2001.
Mark McGwire was previously married to Stephanie Slemer (2002) and Kathlene Hughes (1984 - present).
Mark McGwire is a 52 year old American Baseballer. Born Mark David McGwire on 1st October, 1963 in Pomona, CA and educated at Damien (Claremont, CA), he is famous for 1998 home run battle against Sammy Sosa. His zodiac sign is Libra.